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Fayalite from Kenya

Kenya
 
  • Baringo County
Ridolfi, F., Renzulli, A., Macdonald, R., & Upton, B. G. (2006). Peralkaline syenite autoliths from Kilombe volcano, Kenya Rift Valley: evidence for subvolcanic interaction with carbonatitic fluids. Lithos, 91(1-4), 373-392.
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley.
Hackmann, B.D. 1988. The geology of the Baringo-Laikipia area. Report, Geological Survey of Kenya, 104.
Key, R. M. (1987). Geology of the Maralal area. Republic of Kenya Ministry of Environment and Natural Resources, Mines and Geological Department Report, 105.
Weaver, S. D. (1977). The Quaternary caldera volcano Emuruangogolak, Kenya Rift, and the petrology of a bimodal ferrobasalt-pantelleritic trachyte association. Bulletin Volcanologique, 40(4), 209-230. doi.org/10.1007/BF02597564
Webb, P.K. & Weaver, S.D. 1976. Trachyte shield volcanoes: a new volcanic form from South Turkana, Kenya. Bulletin Volcanologique, 39, 294-312.
Griffiths, P. S., & Gibson, I. L. (1980). The geology and petrology of the Hannington Trachyphonolite formation, Kenya Rift Valley. Lithos, 13(1), 43-53. doi.org/10.1016/0024-4937(80)90060-2
Truckle, P. H. (Ed.). (1977). Geological map of the Lake Baringo-Laikipia area. Directorate of Overseas Surveys.
McCall, G. J. H. (1967). Geology of the Nakuru-Thomson's Falls-Lake Hannington area. Rep. Geol. Surv. Kenya, 78, 122.
Hackmann, B.D. 1988. The geology of the Baringo-Laikipia area. Report, Geological Survey of Kenya, 104.
  • Kajiado County
Bowen N L (1935) “Ferrosilite” as a natural mineral. American Journal of Science 30, 481-494
Scott, S. C., & Skilling, I. P. (1999). The role of tephrachronology in recognizing synchronous caldera-forming events at the Quaternary volcanoes Longonot and Suswa, south Kenya Rift. Geological Society, London, Special Publications, 161(1), 47-67. doi.org/10.1144/GSL.SP.1999.161.01.05
Macdonald, R., Kjarsgaard, B. A., Skilling, I. P., Davies, G. R., Hamilton, D. L., & Black, S. (1993). Liquid immiscibility between trachyte and carbonate in ash flow tuffs from Kenya. Contributions to Mineralogy and Petrology, 114(2), 276-287. doi.org/10.1007/BF00307762
Skilling, I. P. (1993). Incremental caldera collapse of Suswa volcano, Gregory rift valley, Kenya. Journal of the Geological Society, 150(5), 885-896. doi.org/10.1144/gsjgs.150.5.0885
Randel, R. P., & Johnson, R. W. (1991). Geology of the Suswa area (No. 97). Mines & Geological Department.
Baker, B. H., Mitchell, J. G., & Williams, L. A. J. (1988). Stratigraphy, geochronology and volcano-tectonic evolution of the Kedong–Naivasha–Kinangop region, Gregory Rift Valley, Kenya. Journal of the Geological Society, 145(1), 107-116. doi.org/10.1144/gsjgs.145.1.0107
Williams, L. A. J., Macdonald, R., & Chapman, G. R. (1984). Late Quaternary caldera volcanoes of the Kenya Rift valley. Journal of Geophysical Research: Solid Earth, 89(B10), 8553-8570. doi.org/10.1029/JB089iB10p08553
Johnshon, R. W. (1969). Volcanic geology of Mount Suswa, Kenya. Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 265(1164), 383-412. doi.org/10.1098/rsta.1969.0061
  • Meru County
Mahaney, W. C. (1989). Glacial advances on Mount kenya in the Middle Holocene: fact or fiction?. In Quaternary and environmental research on East African Mountains (pp. 141-153).
Price, R.C., Johnson, R.W., Gray, C.M., and Frey, F.A. (1985) Geochemistry of phonolites and trachytes from the summit region of Mt. Kenya. Contributions to Mineralogy and Petrology, 89, 394–409
Price, R. C., Johnson, R. W., Gray, C. M., & Frey, F. A. (1985). Geochemistry of phonolites and trachytes from the summit region of Mt. Kenya. Contributions to Mineralogy and Petrology, 89(4), 394-409. doi.org/10.1007/BF00381560
Rock, N.M.S. (1976) The comparative strontium isotopic composition of alkaline rocks: new data from Southern Portugal and East Africa. Contributions to Mineralogy and Petrology, 56, 205–228. doi.org/10.1007/BF00399605
Baker, B.H., Williams, L.A.J., Miller, J.A., and Fitch, F.J. (1971) Sequence and geochronology of the Kenya rift volcanics. Tectonophysics, 11, 191–215. doi.org/10.1016/0040-1951(71)90030-8
Baker, B.H. (1967) Geology of the Mount Kenya area. Ministry of Environment and Natural Resources, Mines and Geological Department, Report No. 79, 78 pp.
Gregory, J. W. (1900). The geology of Mount Kenya. Quarter. J. Geol. Soc., 56, 205-222.
  • Nakuru County
Marshall, A. S., Hinton, R. W., & MacDonald, R. (1998). Phenocrystic fluorite in peralkaline rhyolites, Olkaria, Kenya rift valley. Mineralogical Magazine, 62(4), 477-486. doi.org/10.1180/002646198547855
Wilding, M. C., Macdonald, R., Davies, J. E., & Fallick, A. E. (1993). Volatile characteristics of peralkaline rhyolites from Kenya: an ion microprobe, infrared spectroscopic and hydrogen isotope study. Contributions to Mineralogy and Petrology, 114(2), 264-275. doi.org/10.1007/BF00307761
Clarke, M. C. G., Woodhall, D. G., Allen, D., & Darling, G. (1990). Geological, volcanological and hydrological controls on the occurrence of geothermal activity in the area surrounding Lake Naivasha, Kenya. Kenya, Ministry of Energy Report, Nairobi, Kenya.
Davies, G. R., & Macdonald, R. (1987). Crustal influences in the petrogenesis of the Naivasha Basalt—Comendite Complex: combined trace element and Sr-Nd-Pb isotope constraints. Journal of Petrology, 28(6), 1009-1031. doi.org/10.1093/petrology/28.6.1009
Macdonald, R., Davies, G. R., Bliss, C. M., Leat, P. T., Bailey, D. K., & Smith, R. L. (1987). Geochemistry of high-silica peralkaline rhyolites, Naivasha, Kenya Rift Valley. Journal of Petrology, 28(6), 979-1008. doi.org/10.1093/petrology/28.6.979
Scott, S. C., & Skilling, I. P. (1999). The role of tephrachronology in recognizing synchronous caldera-forming events at the Quaternary volcanoes Longonot and Suswa, south Kenya Rift. Geological Society, London, Special Publications, 161(1), 47-67. doi.org/10.1144/GSL.SP.1999.161.01.05
Clarke, M. C. G., Woodhall, D. G., Allen, D., & Darling, G. (1990). Geological, volcanological and hydrological controls on the occurrence of geothermal activity in the area surrounding Lake Naivasha, Kenya. Kenya, Ministry of Energy Report, Nairobi, Kenya.
Scott, S. C., & Bailey, D. K. (1984). Coeruption of contrasting magmas and temporal variations in magma chemistry at Longonot volcano, Central Kenya. Bulletin Volcanologique, 47(4), 849-873. doi.org/10.1007/BF01952347
Scott, S. C. (1982). Evidence from Longonot Volcano, central Kenya, lending further support to the argument for a coexisting CO 2 rich vapour in peralkaline magma. Geological Magazine, 119(2), 215-217. doi.org/10.1017/S0016756800025917
Scott, S. C. (1980). The geology of Longonot volcano, Central Kenya: a question of volumes. Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 296(1420), 437-465. doi.org/10.1098/rsta.1980.0188
Clarke, M. C. G., Woodhall, D. G., Allen, D., & Darling, G. (1990). Geological, volcanological and hydrological controls on the occurrence of geothermal activity in the area surrounding Lake Naivasha, Kenya. Kenya, Ministry of Energy Report, Nairobi, Kenya.
Baker, B. H., & Henage, L. F. (1977). Compositional changes during crystallization of some peralkaline silicic lavas of the Kenya Rift Valley. Journal of Volcanology and Geothermal Research, 2(1), 17-28. doi.org/10.1016/0377-0273(77)90013-0
Thompson, A. O., Dodson, R. G. (1963) Geology of the Naivasha Area. Report 55. Geological Survey of Kenya
  • Samburu County
Black, S., Macdonald, R., Barreiro, B. A., Dunkley, P. N., & Smith, M. (1998). Open system alkaline magmatism in northern Kenya: evidence from U-series disequilibria and radiogenic isotopes. Contributions to Mineralogy and Petrology, 131(4), 364-378. doi.org/10.1007/s004100050398
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Williams, L. A. J., Macdonald, R., & Chapman, G. R. (1984). Late Quaternary caldera volcanoes of the Kenya Rift valley. Journal of Geophysical Research: Solid Earth, 89(B10), 8553-8570. doi.org/10.1029/JB089iB10p08553
Norry, M. J., Truckle, P. H., Lippard, S. J., Hawkesworth, C. J., Weaver, S. D., & Marriner, G. F. (1980). Isotopic and trace element evidence from lavas, bearing on mantle heterogeneity beneath Kenya. Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 297(1431), 259-271. doi.org/10.1098/rsta.1980.0214
Weaver, S. D. (1977). The Quaternary caldera volcano Emuruangogolak, Kenya Rift, and the petrology of a bimodal ferrobasalt-pantelleritic trachyte association. Bulletin Volcanologique, 40(4), 209-230. doi.org/10.1007/BF02597564
Shotton, F. W., Williams, R. E. G., & Johnson, A. (1974). Birmingham University radiocarbon dates VIII. Radiocarbon, 16(3), 285-303. doi.org/10.1017/S0033822200059610
  • Turkana County
Key, R. M. (1987). Geology of the Maralal area. Republic of Kenya Ministry of Environment and Natural Resources, Mines and Geological Department Report, 105.
Webb, P.K. & Weaver, S.D. 1976. Trachyte shield volcanoes: a new volcanic form from South Turkana, Kenya. Bulletin Volcanologique, 39, 294-312.
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley.
Key, R. M. (1987). Geology of the Maralal area. Republic of Kenya Ministry of Environment and Natural Resources, Mines and Geological Department Report, 105.
Baker, B. H. (1963). Geology of the Baragoi Area. Report, Geological Survey of Kenya, 53.
Mason, P., & Gibson, A. B. (1957). The Geology of the Kalossia—Tiati area Report 41 Geol. Survey Kenya, 41.
Shackleton, R. M. (1946). Geology of the country between Nanyuki and Maralal. Rep. geol. Surv. Kenya, 11(1951), 345-392.
Key, R. M. (1987). Geology of the Maralal area. Republic of Kenya Ministry of Environment and Natural Resources, Mines and Geological Department Report, 105.
Weaver, S. D., Sceal, J. S. C., & Gibson, I. L. (1972). Trace-element data relevant to the origin of trachytic and pantelleritic lavas in the East African rift system. Contributions to Mineralogy and Petrology, 36(3), 181-194. doi.org/10.1007/BF00371430
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
 
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